Home / 88,979.12-122,791.16-48,692.88

Finding the Fourth Proportional to 88,979.12, 122,791.16 and 48,692.88

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Solution

The fourth proportional to 88,979.12, 122,791.16 and 48,692.88 is: 67,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,979.12 : 122,791.16 = 48,692.88 : x
  2. Step 2: Convert to fraction form
    88,979.12/122,791.16 = 48,692.88/x
  3. Step 3: Cross multiply
    88,979.12x = 122,791.16 × 48,692.88
  4. Step 4: Simplify right side
    88,979.12x = 5,979,054,975.48
  5. Step 5: Solve for x
    x = 5,979,054,975.48/88,979.12
  6. Step 6: Final answer
    x = 67,196.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.